<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        <!--在哪个控件元素上面设置动画，就在哪个控件上面启动动画-->
        html,body{
            width: 100%;
            height: 100%;
            background-color: green;
        }
        div{
            width: 440px;
            height: 491px;
            margin: 100px auto;
        }

        div img{
            transition:all 2s ease-in-out;
        }

        img:nth-child(1){
            transform: translate(-100px,-50px)rotate(-45deg);
        }

        img:nth-child(2){
            transform: translate(-50px,-30px)rotate(-90deg);
        }
        img:nth-child(3){
            transform: translate(200px,2000px)rotate(-120deg);
        }
        img:nth-child(4){
            transform: translate(120px,130px)rotate(-180deg);
        }

        div:hover img{
            transform: translate(0px,0px)rotate(0deg);
        }
    </style>
</head>
<body>
    <div>
        <img src="img/shield_1_01.png" alt="">
        <img src="img/shield_1_02.png" alt="">
        <img src="img/shield_1_03.png" alt="">
        <img src="img/shield_1_04.png" alt="">
        <img src="img/shield_1_05.png" alt="">
        <img src="img/shield_1_06.png" alt="">
        <img src="img/shield_1_07.png" alt="">
        <img src="img/shield_1_08.png" alt="">
        <img src="img/shield_1_09.png" alt="">
    </div>
</body>
</html>